We're dividing 6478012 by 129 
We want to divide 6478012 by 129.

Going ahead to step 1:
When dividing 6 by 129, we get 0 with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Append the next digit (4) from the dividend to 6 and continue with: 64 / 129

Step 2:
64 divided by 129 is 0 with a remainder of 64.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 64 after subtracting 0 from 64.
Take the next digit (7) from the dividend and append it to 64, then repeat: 647 / 129

Step 3:
129 can be fit into 647 5 times, resulting in a remainder of 2.
Use 5 as the next digit of our solution. 
Result so far: 5.0
Deduct 645 from 647 and we're left with 2.
Take the next digit (8) from the dividend and append it to 2, then repeat: 28 / 129

Advancing to step 4:
129 goes into 28 0 times with a remainder of 28.
The number 0 becomes the next digit in our result. 
Result so far: 50.0
If we subtract 0 from 28, we get 28.
Append the next digit (0) from the dividend to 28 and continue with: 280 / 129

Moving on to step 5:
When dividing 280 by 129, we get 2 with a remainder of 22.
Use 2 as the next digit of our solution. 
Result so far: 502.0
Deduct 258 from 280 and we're left with 22.
Include the next digit (1) from the dividend after 22, then repeat: 221 / 129

Let's proceed to step 6:
If we divide 221 by 129, we get 1 and a remainder of 92.
Record the quotient 1 as the next digit in the result. 
Result so far: 5021.0
If we subtract 129 from 221, we get 92.
Include the next digit (2) from the dividend after 92, then repeat: 922 / 129

On to step 7:
The number 129 fits into 922 7 times, leaving a remainder of 19.
The next digit of our result is 7. 
Result so far: 50217.0
Subtract 903 from 922 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Step 8:
When dividing 190 by 129, we get 1 with a remainder of 61.
The next digit of our result is 1. 
Result so far: 50217.1
Subtracting 129 from 190 leaves us with 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Moving on to step 9:
When dividing 610 by 129, we get 4 with a remainder of 94.
Put 4 as the next digit of the answer. 
Result so far: 50217.14
If we subtract 516 from 610, we get 94.
Since there are no more digits in the dividend, we add a zero to the remainder making it 940, and continue the process.

Let's proceed to step 10:
129 goes into 940 7 times with a remainder of 37.
The number 7 becomes the next digit in our result. 
Result so far: 50217.147
Subtract 903 from 940 to get 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Moving on to step 11:
The number 129 fits into 370 2 times, leaving a remainder of 112.
The number 2 becomes the next digit in our result. 
Result so far: 50217.1472
Subtracting 258 from 370 leaves us with 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Step 12:
1120 divided by 129 is 8 with a remainder of 88.
The next digit of our result is 8. 
Result so far: 50217.14728
Deduct 1032 from 1120 and we're left with 88.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

Advancing to step 13:
When dividing 880 by 129, we get 6 with a remainder of 106.
The next digit of our result is 6. 
Result so far: 50217.147286
Subtract 774 from 880 to get 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

Advancing to step 14:
129 can be fit into 1060 8 times, resulting in a remainder of 28.
Record the quotient 8 as the next digit in the result. 
Result so far: 50217.1472868
Deduct 1032 from 1060 and we're left with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Advancing to step 15:
The number 129 fits into 280 2 times, leaving a remainder of 22.
The number 2 becomes the next digit in our result. 
Result so far: 50217.14728682
Deduct 258 from 280 and we're left with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

The final result is 50217.14728682 with a remainder of 2.2e-08.